Lancaster, F. W. (1991). Indexing and abstracting: Theory and practice. Illinois: University of Illinois.
Trích dẫn kiểu ChicagoLancaster, F. W. Indexing and Abstracting: Theory and Practice. Illinois: University of Illinois, 1991.
ציטוט MLALancaster, F. W. Indexing and Abstracting: Theory and Practice. Illinois: University of Illinois, 1991.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.